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PhabricatorRemarkupRuleMention.php
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Created
Sun, Sep 1, 20:50
Size
4 KB
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text/x-php
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Tue, Sep 3, 20:50 (1 d, 23 h)
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rPH Phabricator
PhabricatorRemarkupRuleMention.php
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<?php
/*
* Copyright 2012 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
* @group markup
*/
final
class
PhabricatorRemarkupRuleMention
extends
PhutilRemarkupRule
{
const
KEY_RULE_MENTION
=
'rule.mention'
;
const
KEY_RULE_MENTION_ORIGINAL
=
'rule.mention.original'
;
const
KEY_MENTIONED
=
'phabricator.mentioned-user-phids'
;
// NOTE: The negative lookbehind prevents matches like "mail@lists", while
// allowing constructs like "@tomo/@mroch". Since we now allow periods in
// usernames, we can't resonably distinguish that "@company.com" isn't a
// username, so we'll incorrectly pick it up, but there's little to be done
// about that. We forbid terminal periods so that we can correctly capture
// "@joe" instead of "@joe." in "Hey, @joe.".
const
REGEX
=
'/(?<!
\w
)@([a-zA-Z0-9._-]*[a-zA-Z0-9_-])/'
;
public
function
apply
(
$text
)
{
return
preg_replace_callback
(
self
::
REGEX
,
array
(
$this
,
'markupMention'
),
$text
);
}
private
function
markupMention
(
$matches
)
{
$engine
=
$this
->
getEngine
();
$token
=
$engine
->
storeText
(
''
);
// Store the original text exactly so we can preserve casing if it doesn't
// resolve into a username.
$original_key
=
self
::
KEY_RULE_MENTION_ORIGINAL
;
$original
=
$engine
->
getTextMetadata
(
$original_key
,
array
());
$original
[
$token
]
=
$matches
[
1
];
$engine
->
setTextMetadata
(
$original_key
,
$original
);
$metadata_key
=
self
::
KEY_RULE_MENTION
;
$metadata
=
$engine
->
getTextMetadata
(
$metadata_key
,
array
());
$username
=
strtolower
(
$matches
[
1
]);
if
(
empty
(
$metadata
[
$username
]))
{
$metadata
[
$username
]
=
array
();
}
$metadata
[
$username
][]
=
$token
;
$engine
->
setTextMetadata
(
$metadata_key
,
$metadata
);
return
$token
;
}
public
function
didMarkupText
()
{
$engine
=
$this
->
getEngine
();
$metadata_key
=
self
::
KEY_RULE_MENTION
;
$metadata
=
$engine
->
getTextMetadata
(
$metadata_key
,
array
());
if
(
empty
(
$metadata
))
{
// No mentions, or we already processed them.
return
;
}
$original_key
=
self
::
KEY_RULE_MENTION_ORIGINAL
;
$original
=
$engine
->
getTextMetadata
(
$original_key
,
array
());
$usernames
=
array_keys
(
$metadata
);
$user_table
=
new
PhabricatorUser
();
$real_user_names
=
queryfx_all
(
$user_table
->
establishConnection
(
'r'
),
'SELECT username, phid, realName, isDisabled
FROM %T
WHERE username IN (%Ls)'
,
$user_table
->
getTableName
(),
$usernames
);
$actual_users
=
array
();
$mentioned_key
=
self
::
KEY_MENTIONED
;
$mentioned
=
$engine
->
getTextMetadata
(
$mentioned_key
,
array
());
foreach
(
$real_user_names
as
$row
)
{
$actual_users
[
strtolower
(
$row
[
'username'
])]
=
$row
;
$mentioned
[
$row
[
'phid'
]]
=
$row
[
'phid'
];
}
$engine
->
setTextMetadata
(
$mentioned_key
,
$mentioned
);
foreach
(
$metadata
as
$username
=>
$tokens
)
{
$exists
=
isset
(
$actual_users
[
$username
]);
if
(!
$exists
)
{
$class
=
'phabricator-remarkup-mention-unknown'
;
}
else
if
(
$actual_users
[
$username
][
'isDisabled'
])
{
$class
=
'phabricator-remarkup-mention-disabled'
;
}
else
{
$class
=
'phabricator-remarkup-mention-exists'
;
}
if
(
$exists
)
{
$tag
=
phutil_render_tag
(
'a'
,
array
(
'class'
=>
$class
,
'href'
=>
'/p/'
.
$actual_users
[
$username
][
'username'
].
'/'
,
'target'
=>
'_blank'
,
'title'
=>
$actual_users
[
$username
][
'realName'
],
),
phutil_escape_html
(
'@'
.
$actual_users
[
$username
][
'username'
]));
foreach
(
$tokens
as
$token
)
{
$engine
->
overwriteStoredText
(
$token
,
$tag
);
}
}
else
{
// NOTE: The structure here is different from the 'exists' branch,
// because we want to preserve the original text capitalization and it
// may differ for each token.
foreach
(
$tokens
as
$token
)
{
$tag
=
phutil_render_tag
(
'span'
,
array
(
'class'
=>
$class
,
),
phutil_escape_html
(
'@'
.
idx
(
$original
,
$token
,
$username
)));
$engine
->
overwriteStoredText
(
$token
,
$tag
);
}
}
}
// Don't re-process these mentions.
$engine
->
setTextMetadata
(
$metadata_key
,
array
());
}
}
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